Demand for space in Ireland continues to rise. Schools need classrooms. Businesses need offices. Hospitals need department units. Traditional construction projects cannot always keep pace with the speed organisations require as they grow.
Modern Methods of Construction (MMC) can. Modules are built off-site before being installed on-site in days rather than months. Quality is checked before anything reaches the ground. Programmes shorten. Site disruption drops.
The Irish market has a strong set of manufacturers specialising in this kind of permanent, volumetric construction. Below is our pick of the providers, starting with the one we rate highest.
1. Modulacc — Our top pick
From modular buildings to portable cabins, Modulacc provides a wide range of building solutions for every application, industry, and budget. At the pinnacle of its offering is its fully bespoke 3D volumetric modular building system, fully fire-tested, BCAR-compliant, and certified to achieve ‘A’ BER-certification.
But Modulacc is more than just a building provider. Acting as an ‘integrated project partner’ and operating as main contractor, the team works closely with their clients from concept through to completion, providing their expertise every step of the way to ensure every project is delivered on time, and on budget.
As main contractor, they manage every stage of the project, providing a full turnkey service that includes statutory planning, design and certification through to manufacturing, site works, installation, fit-out and commissioning.
Over the years, Modulacc has established itself as one of Ireland’s leading modular manufacturers, having successfully delivered multiple projects for public and private sector clients across industries such as education, healthcare, commercial, construction and civil engineering, medtech, pharmaceuticals and life sciences, to name a few.
Regularly delivering modular classrooms and school campuses for the Department of Education and Youth, Modulacc also provides high-quality learning facilities for the third-level education sector. Most recently, it delivered two 3D volumetric modular buildings for Atlantic Technological University across its Dublin Road and Wellpark Road campuses in Galway City. Together, the two-storey modular buildings provide over 14,000 m² of modern teaching and learning space. Manufactured in just three months and installed on-site in only three days, they demonstrate the speed and efficiency of MMC. Today, they accommodate up to 500 people at a time, providing students and staff with bright, contemporary learning environments.
In healthcare, Modulacc recently delivered a 787 m² 3D volumetric modular building with associated infrastructure, purpose-built to centralise and support the Health Service Executive’s chronic disease management service in the Mid-West, which had previously been spread across a number of unsuitable locations.
Modulacc’s approach to building also stands out. One client noted: “I was particularly impressed by their enthusiasm and flexibility throughout the project. They were always accessible when needed, and every challenge was approached as a shared responsibility. Their collaborative approach brought diverse perspectives to the table and led to more effective problem-solving. The best testament any client can give is whether they would work with a provider again — and I would without hesitation.” That is the mark of a provider who places their client at the heart of the project decision.
Add innovative design and engineering, precision-driven manufacturing, and proven project management expertise, and you have a provider that covers the full brief for modular construction projects across Ireland.
If you need a new building or additional space, Modulacc is the first provider we would call.
Best for: Permanent and temporary 3D volumetric modular buildings across regulated sectors like education, healthcare and commercial, and turnkey design and build modular projects.
Site- modulacc.ie
Phone: +353 61 330 033
2. Actavo Modular Buildings
One of Ireland’s longest-established names, with more than 40 years in off-site construction. Actavo designs, manufactures, installs and maintains turnkey modular buildings for education, healthcare and commercial use across Ireland and the UK. Its scale and long track record make it a safe option for organisations running large permanent-building programmes.
Best for: large-scale and turnkey projects, hire fleet. Website: actavo.com
3. EcoMod Modular Buildings
A 100% Irish owned and managed supplier based on its own business park, with a team of around 50 and a decade of nationwide delivery. EcoMod is known for a large for-hire fleet and short lead times, and it stands out for offering purchase options on units built to exact specifications. A strong choice if you value quick availability and the option to buy rather than hire.
Best for: hire fleet, quick lead times, buy options. Website: ecomod.ie
4. CPAC Modular
A leading MMC contractor focused squarely on permanent modular buildings. CPAC works to high ISO safety and quality standards and applies LEAN principles across its projects. If your priority is a permanent, sustainable modular building, CPAC belongs on the shortlist.
Best for: permanent MMC buildings. Website: cpacmodular.com
5. Instaspace Modular
Instaspace designs, manufactures and delivers modular buildings using 3D volumetric construction from its own factory. It serves education, healthcare, pharmaceutical, commercial, residential and recreational sectors, with almost 40 years of combined project experience. Units can be supplied singly or combined into larger, multi-storey permanent facilities.
Best for: 3D volumetric builds, regulated sectors. Website: instaspace.ie
6. Vision Built
Established in 2012 and acquired by Sisk in 2019, Vision Built is an offsite manufacturer delivering 3D Category 1 volumetric modular and 2D panelised building solutions to Ireland and the UK across sectors including residential, education, health, commercial and technology. Backed by Sisk’s scale, it’s a strong option for organisations wanting a permanent modular partner with major contractor resources behind it. Its in-house light gauge steel manufacturing gives customers assurance on quality, traceability and delivery, and its turnkey buildings are designed to be relocatable in future should needs change — a useful ESG angle for sustainability-focused briefs.
Best for: large-scale permanent projects with contractor-backed delivery, ESG-focused briefs. Website: vision-built.com
How to choose the right provider
The best provider depends on your brief. A few quick pointers from working on these projects:
- Permanent or temporary. For a long-term building, look at 3D volumetric and MMC specialists. For short-term needs, prioritise hire fleets and quick lead times.
- Sector compliance. Education and healthcare carry strict standards. Ask for relevant project references in your exact sector.
- Turnkey or shell only. Decide whether you want the provider to handle full fit-out, or just supply the structure while you manage the rest.
- Hire versus buy. Some providers only hire. If you want to own the asset, confirm purchase options up front.
- Programme certainty. Ask for realistic lead times in writing, including groundworks and delivery, not just factory build.
Whatever the project, start with a clear brief on use, timeline, budget and site conditions. The stronger providers will use that to steer you towards the right solution rather than the biggest sale.